package com.buwei.container.config;

import java.io.IOException;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.security.oauth2.provider.token.TokenStore;
import org.springframework.security.oauth2.provider.token.store.JwtAccessTokenConverter;
import org.springframework.security.oauth2.provider.token.store.JwtTokenStore;
import org.springframework.util.FileCopyUtils;

@Configuration
public class JwtConfig {

	@Autowired
	JwtAccessTokenConverter jwtAccessTokenConverter;
	
    @Bean
    @Qualifier("tokenStore")
    public TokenStore tokenStore() {
        return new JwtTokenStore(jwtAccessTokenConverter);
    }
    
    @Bean
    protected JwtAccessTokenConverter jwtTokenEnhancer(){
    	JwtAccessTokenConverter converter = new JwtAccessTokenConverter();
    	Resource resource = new ClassPathResource("public.cert");
    	String publicKey;
    	try{
    		publicKey = new String(FileCopyUtils.copyToByteArray(resource.getInputStream()));
    	}catch (IOException e) {
    		throw new RuntimeException(e);
		}
    	converter.setVerifierKey(publicKey);
    	return converter;
    }
}
